lesson 02 - neurons and synaptic transmission

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14 Terms

1
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define neurons

transmit electrical and chemical messages

2
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describe sensory neurons

connect PNS to CNS. have long dendrites and short axons

<p>connect PNS to CNS. have long dendrites and short axons</p>
3
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describe relay neurons

connect sensory neurons to motor neurons. have short dendrites and short axons

<p>connect sensory neurons to motor neurons. have short dendrites and short axons</p>
4
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describe motor neurons

connect CNS to effectors e.g. muscles and glands. have short dendrites and long axons

<p>connect CNS to effectors e.g. muscles and glands. have short dendrites and long axons </p>
5
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describe the general components of a neuron

have a cell body, axon, dendrites and terminal buttons

6
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define action potential

when a neuron is activated by a stimulus, the neuron ‘fires’ and creates an electrical impulse

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define synapse

the gap between consecutive neurons

8
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define electrical impulse

reach end of neuron ()

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